Complete redo of content indexing and querying (#517)

Complete redo of data store
Introduces live queries and live templates

plug-api/plugos-syscall/datastore.ts

@@ -0,0 +1,38 @@
+import { syscall } from "$sb/plugos-syscall/syscall.ts";
+import { KV, KvKey, KvQuery } from "$sb/types.ts";
+
+export function set(key: KvKey, value: any): Promise<void> {
+  return syscall("datastore.set", key, value);
+}
+
+export function batchSet(kvs: KV[]): Promise<void> {
+  return syscall("datastore.batchSet", kvs);
+}
+
+export function get(key: KvKey): Promise<any> {
+  return syscall("datastore.get", key);
+}
+
+export function batchGet(keys: KvKey[]): Promise<(any | undefined)[]> {
+  return syscall("datastore.batchGet", keys);
+}
+
+export function del(key: KvKey): Promise<void> {
+  return syscall("datastore.delete", key);
+}
+
+export function batchDel(keys: KvKey[]): Promise<void> {
+  return syscall("datastore.batchDelete", keys);
+}
+
+export function query(
+  query: KvQuery,
+): Promise<KV[]> {
+  return syscall("datastore.query", query);
+}
+
+export function queryDelete(
+  query: KvQuery,
+): Promise<void> {
+  return syscall("datastore.queryDelete", query);
+}